20 YEAR MAX
GUARANTEE
PENETRATION
M-BOND ADHESIVE
ROOF DECK
FENCE POST - POWER TOOL CLEAN
METAL SURFACE.
BASE LAYER OF MAJORSEAL TM LIQUID
FLASHING
PENETRATION GAP
DETAIL
TOPCOAT R FLASHING FABRIC
WRAPPED AROUND METAL
PENETRATION WITH 2" MIN.
OVERLAP.
2" MIN.
6" MIN.
FILL GAP AT BASE WITH M-BOND
ADHESIVE PRIOR TO FIRST COAT OF
MAJORSEALTM SEE PENETRATION GAP
DETAIL ABOVE.
GAF SBS MODIFIED BITUMEN OR BUILT-UP
GRANULE SHEET.
DETAIL #1
MAJORSEALTM BASE LAYER EXTEND OUT
IN FIELD TO ACCOMMODATE FABRIC
COLLAR IN DETAIL #2
2"MIN.
EXTEND TOP LAYER OF MAJORSEAL TM
2" MIN. BEYOND TOPCOAT R
FLASHING FABRIC IN ALL
DIRECTIONS
GAF SBS MODIFIED BITUMEN OR BUILT-UP
GRANULE SHEET.
2"MIN.
SURFACE GRANULES APPLIED TO
TM
TOP LAYER OF MAJORSEAL
DETAIL #2
TOPCOAT R FLASHING FABRIC COLLAR
CUT SNUG FIT AROUND PENETRATION
WITH 1 4" MIN. VERTICAL UP TURN.
NOTE:
1. PENETRATION GAPS GREATER THAN 1 4" REQUIRE BACKER ROD BEFORE APPLICATION OF M-BOND
ADHESIVE.
2. FENCE POST MUST HAVE WATERTIGHT CAP OR FILL WITH NON-SHRINK GROUT OR FOAM AND
DRILL WEEP HOLE IN PIPE ABOVE FILL LEVEL.
R
TM
MAJORSEAL
LIQUID FLASHING
1 Campus Drive.
Parsippany, NJ 07054
ROOF
PENETRATION
SERIES
TYPICAL FENCE POST FLASHING DETAIL
DRAWING #
SYSTEM
512
MM
SCALE
N.T.S.
ISSUE/ REVISION DATE
1-1-16